249591720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{297133}}^1$

素因数の和:297154

約数の個数: 64

約数和(自身を含む): 855745920

約数和(自身を除く): 606154200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 297133, 594266, 891399, 1188532, 1485665, 1782798, 2079931, 2377064, 2971330, 3565596, 4159862, 4456995, 5942660, 6239793, 7131192, 8319724, 8913990, 10399655, 11885320, 12479586, 16639448, 17827980, 20799310, 24959172, 31198965, 35655960, 41598620, 49918344, 62397930, 83197240, 124795860, 249591720]

約数ペア:

[(1, 249591720), (2, 124795860), (3, 83197240), (4, 62397930), (5, 49918344), (6, 41598620), (7, 35655960), (8, 31198965), (10, 24959172), (12, 20799310), (14, 17827980), (15, 16639448), (20, 12479586), (21, 11885320), (24, 10399655), (28, 8913990), (30, 8319724), (35, 7131192), (40, 6239793), (42, 5942660), (56, 4456995), (60, 4159862), (70, 3565596), (84, 2971330), (105, 2377064), (120, 2079931), (140, 1782798), (168, 1485665), (210, 1188532), (280, 891399), (420, 594266), (840, 297133)]